元认知是对认知的认知，其核心是（）。

单项选择题下列不属于升学指导的内容的是（）。

A.就业具体指导
B.思想指导
C.复习指导
D.心理指导

单项选择题SECTION C NEWS BROADCASTDirections: In this section, you will hear several news items. Listen to them carefully and then answer the questions that follow.听力原文： The former US President has taken a step that could further improve relations with Vietnam. Mr. Clinton has signed a waiver allowing immigrations to the US, a condition necessary for the waiver. They also say the move could eventually lead to most-favored nations trade status for Vietnam.What is the necessary condition for the waiver?A．Vietnam has received trade benefits.B．Vietnam has made progress in allowing immigration to the US.C．Vietnam must become one of the most-favored nations.D．The relations between the US and Vietnam must be further improved.